8 digits Frequency Counter

●Minimum measuring resolution 8 digits/s

●Time resolution 50ps

●Maximum frequency’s measurement can reach to 16 GHz (optional)

●Measures Frequency,Period,Duty Cycle,Frequency Ratio,

Totalize,Phase Difference,Pulse Width,Time Interval and DCV

●Utility statistics functions of multi-average, maximum, minimum, PPM,

standard deviation and Allan Variance for frequency measurement

●Stores 15 group status

●High-stability crystal oscillator is optional

SP10B

1Hz~10MHz Frequency Counter...

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2channels 10MHz Rubidium Frequency Standards...

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10Hz~12.4GHz Frequency Counter...

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0.01Hz~50MHz Frequency Counter...

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Model		SS7200A	SS7300	SS7400
Measurement Resolution		8 digits /s	10 digits /s	11 digits /s
Frequency	CH1	0.001Hz ~ 200 MHz
	CH2	0.001Hz ~ 200 MHz
	CH3	Optional: 3GHz;6.5GHz;12.4GHz; 16GHz
Period		5ns ~1000s	5ns ~1000s	5ns ~1000s
Time Interval Range		10ns~10000s	10ns~10000s	1ns ~ 10000s
Resolution		2.5ns	500ps	150ps
Pulse Width		30ns~5000s	30ns~5000s	1ns ~ 10000s
Duty Cycle		1%~99%
Totalize		0~1 ×1013
Phase Difference		0°~360°	0°~360°	1°~359°
DC Voltage		N/A	N/A	±19.99VDC
Input	Dynamic Range	50mVrms~1.0Vrms (Sine); 150mVP-P~4.5VP-P (Pulse)
	Input Impedance	1MΩ//35pF or 50Ω
	Input Attenuation	x1 or x10
	Trigger level	-5.000V~+5.000V (Step 5mV)
Other functions	Frequency Ratio	√
	Up/Low Limit	"Limit" light on shows the result out of range,off shows within range
	Statistics Calculation	Multi-average,Max.,Min.,PPM,SD,Allan Variance
Time Base	Nominal frequency	10MHz
	Time base input	Frequency :5MHz or 10MHz Amplitude:≥1VP-P
	Time base output	Frequency :10MHz Sine Amplitude:≥1VP-P
	Standard Time Base	Accuracy:5×10-8 Daily Aging:1×10-8/day
	Optional Time Base	Accuracy:5×10-8 Daily Aging:5×10-10/day
Interface		Standard:USB Optional:RS232,GPIB	Standard:USB,RS232Optional:GPIB	Standard:USB,RS232 Optional:GPIB
Dimensions		375×105×235 mm
Weight		4.2kg

Frequency Counter&Timer